Thread cassette for sewing machine



FIG. 1 is a perspective view of a thread cassette for a sewing machine,the thread cassette having a thread spool compartment with a transparentcover in a closed position;

FIG. 2 is a perspective view thereof without a thread spool in thecompartment and with the transparent cover in an open position;

FIG. 3 is a perspective view with the transparent cover in a closedposition and a thread spool within the compartment;

FIG. 4 is a perspective view with the transparent cover in an openposition and a thread spool within the compartment;

FIG. 5 is a front view without a thread spool in the compartment and thetransparent cover in the closed position;

FIG. 6 is a rear view;

FIG. 7 is a left side view;

FIG. 8 is a right side view;

FIG. 9 is a bottom view; and,

FIG. 10 is a top view.

The broken line showing of the thread spool is for illustrative purposesonly and does not form part of the claimed design. The broken lineshowing on the thread cassette defines the bounds of the claimed designbut does not form part of the claimed design.

The ornamental design for a thread cassette for sewing machine, as shownand described.